The remote host is missing updates announced in advisory CLA-2005:940.
cURL[1] is a client to get/put files from/to servers, using any of the supported protocols.
This announcement fixes a remote buffer overflow vulnerability[2] in cURL that could allow a malicious servers to execute arbitrary code via base64 encoded replies that exceed the intended buffer lengths when decoded, which is not properly handled by the Curl_input_ntlm function in http_ntlm.c during NTLM authentication or the Curl_krb_kauth and krb4_auth functions in krb4.c during Kerberos authentication.
Solution: The apt tool can be used to perform RPM package upgrades by running 'apt-get update' followed by 'apt-get upgrade'